ACTINOMYCETEAE 729 



is grayish, umbilicate with the central elevation surrounded by a moat and 

 a flat marginal zone. Reverse brownish yellow. In Raulin's solution con- 

 taining 2% peptone, mucoid masses, suspended or settling, are slowly formed. 

 Starch is hydrolyzed. Milk is peptonized without coagulation. Gelatin is 

 liquefied. 



Actinomyces radiatus Namyslowski Bull. Internat. Acad. Sci. Cracovie 

 CI. Sci. Math. Nat. 1909: 418-426, PJ. 21, 1910. 



Found in infection of the cornea. 



Hyphae about 1/x thick, branched, producing spherical to ellipsoid spores. 



On ordinary agar, colony gray, with an elevated center and round margin, 

 central elevation more or less cruciform or star-shaped. On glycerol agar, 

 growth is flat, round, crateriform, with concentric growth zones, white. On 

 coagulated blood serum, colonies round, confluent with white efflorescence. 

 Serum liquefied. On egg white, colonies white. Gelatin is liquefied, with a 

 sediment of gray white colonies and a white pellicle. In broth, a gray white 

 sediment, medium clear. Milk digested, finally becoming brown with thin white 

 pellicle. No growth on sugar agar, pear, potato, bread, or carrot. 



Actinomyces rubidaureus Lachner-Sandoval, tJber Strahlenpilze 66, 1898. 



Cladothrix Thiry, Arch. Physiol. Norm. Path. 8: 283-288, 1897. 



Actinomyces mordore Thiry, These, Nancy 82-93, 1900. 



Nocardia modore Chalmers & Christopherson, Ann. Trop. Med. Parasitol. 

 10: 265, 1916. 



Nocardid Thiryei Froilano de Mello & Pais, Arq. Ilig. Pat. Exot. 6: 193, 

 1918. 



Actinomyces Thiryi Sartory & Bailly, Mycoses Pulmonaires 252, 1923. 



Oospora mordore Sartory, Champ. Paras. Homme Anim. 824, 1923. 



Isolated from a case showing anginous exudate with edema. 



Hyphae branched, spores on erect branches, hyaline. 



This organism is a strict aerobe ; gram-positive. 



On Sabouraud conservation agar, colonies circular, elevated, isolated, 

 grayish or violaceous, with a white efflorescence and surrounded by reddish 

 brown aureole, shining. This metallic lustre is produced by lamellar crystals 

 with a clear amethyst violet and ruby red center. The medium browns some- 

 times. Oil glycerol peptone agar, colony yellow, ochraceous or brownish, 

 violet or white, without the metallic lustre. On potato, colonies are rose, 

 grayish verrucose ; the medium browns and has an eroded (literally "worm- 

 eaten") appearance. On gelatin, there forms a pellicle, yellow gray at the 

 surface, Avith efflorescence and crystals, less colored than on agar. On peptone 

 and peptone brotli, a ring or pellicle with floccose sediment. Serum and egg 

 albumen are liquefied with a strong odor of trimethylamine. Gelatin is. 

 rapidly liquefied. Milk is coagulated and rapidly peptonized. 



Actinomyces Avadi Dodge, n. sp. 



Streptofhrix Madurae Koch & Stutzger, Zeitschr. Hyg. 69: 17-24, 1911. nor. 

 Vincent, 1894. 



